DFS (Distributed File System) Replication is a file replication technology originally shipped with Microsoft's Windows Server 2003 R2 operating system.

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GLUSTERFS or DFSR

Been reading (here) and other about GLUSTERFS. Anyone have first hand experience going with DFSR vs. GLUSTERFS or switching between the two? DFSR = Microsoft's Distrubted File System Replication or ...
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DFSR: Break large replication group into multiple smaller replication groups?

Is there a way to break a very large replication group into smaller replication groups while avoiding a huge backlog while it re-syncs or verifies the files in each smaller replication group? I have ...
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Windows DFSR - Changed replicated directory permissions and now have a 350,000 backlog for more than a week

Question: Is there a way to make this 350,000 file backlog complete faster? For nearly every file the only change was a change to the ACL for each affected file. Some files have changed content, ...
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DFS-R alternatives?

I was wondering what alternatives to DFS-R are out there on windows machines for real-time bidirectional file & folder replication? DFS-R requires active directory and a domain controller which I ...
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Server 2008 DFS Replication Issues

I have two domain controllers on my network, win2k8dc1 and win2k8dc2. I am running into event log errors that DFS replication is not able to communicate with the replication partner. This event is ...
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DCDIAG VerifyEnterpriseReferences test failed on PDC

I have two domain controllers both server 2008, and the domain function level has been raised to 2008. We migrated from a single dc running server 2008 previously. If I run : dcdiag /v /c /d /e ...
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Windows 2008 DFS issue - files dissapear

I have farm with 3 servers: 2 web and 1 DB. All servers are identical Windows 2008 R2 fresh installation. 2 servers running IIS7 websites and connect 3rd server as a back end DB. IIS servers running ...
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904 views

Distributed File System Replication (DFSR) between Server 2008 & Server 2008 R2 over Gateway to Gateway VPN causing extreme network latency

The company I work for is in the process of setting up a branch office for one of our clients. We have 1.5 Mbps up/down T1s at each location, a Cisco RV042 router at each location hosting a Gateway ...
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DFSR files appearing on destination before they finish replicating

We have a DFS environment. If we have a 100MB file for example that we put in the DFS share, it will appear very quickly on the destination server at another site even though with the bandwidth ...
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DFS Replication not “snappy” enough (Missing files)

I have two Domain Controllers. DC01 usually contains everything and is doing great (AFAIK), however DC02 is constantly "missing" files that are clearly visible on DC01 and should have been replicated ...
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dfs replication: One replication group per share or a single replication group for all shares

I am currently migrating from a Windows Server 2003 R2 Standard to a Windows Server 2008 file server. I want to do a "soft" migration by using dfs replication. Now I am wondering what is the best ...
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210 views

Does DFS-R actually write 100%+change to a file on the receiving server(s)?

I am analyzing DFS-R on Windows 2003 R2 and have come across a horrendous thing. It appears that when you append a small amount of data to a large (existing) file, the write cost on the server for ...
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348 views

ASP.NET, reaching the limits of DFSR, and file storage sharding

We run a popular web app, and our backend file storage exists on a file server, replicated to another file server for failover with DFSR. We are reaching the theoretical limits of DFSR, and therefore ...
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Active Directory DNS, preferred IPs, and multiple NICs

I am a noob with Active Directory, and I know just enough to have gotten our current setup running fine. We run a web farm with several web servers connecting to a file server for content storage. ...
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DFS-R Event ID 4412 The DFS Replication service detected that a file was changed on multiple servers

To prepare DFS replication, we used robocopy /DATSOU... to copy the contents of a shared folder (~170G) to another server. After that, a DFS replication group was configured with the two folders. ...
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DFS just not replicating?

I have been using DFS quite a lot in the past always to good success. Now I have a funny issue and I am lost. 2008 R2 Sp1 on both ends. Same domain. There is a folder on A that is replicated. It ...
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559 views

DFS-R - Set server as master

I would like to set up a 2 server DFS-R for web content. The website is a Learning Management System that holds a few TB of videos and documents. The front end of the website is a Windows Load Balance ...
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DFS standalone replication

I'm attempting to set up DFS Standalone replication for the static content of a group of 2008 r2 web servers, without getting the Domain Controller involved. I've created a namespace on one computer ...
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DFS keeps constantly replicating almost all files

We have always had problems with DFS, but recently it has gotten worse with no apparent cause and it's becoming harmful. We have one master server and DFS connections to other four servers. The four ...
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DFS “clobering” files

We have DFS setup using the DFS Management Administrator Tool. I turned on replication in the Distributed File System Administrator Tool as well and this morning we lost tons of files from that share. ...
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525 views

Windows DFS-R conflict handling between multiple locations

i´m experimenting with the DFS-Replication possibilities in Windows Server 2008 R2. Basic structure is this TestOffice 1 - Fileserver TestOffice 2 - Fileserver Central server location - Fileserver ...
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388 views

DFSR - What happens when one server gets maxed out?

What happens when one server in a DFSR pool maxes out its disk space? I am at the very beginning of my research in DFS/R and this struck me. I plan on implementing this on one server with RAID1 ...
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Replicate the same source folder to multiple end points, with a different schedule for each end point

I'm trying to make a set of folders (about 8 gig) that get updated monthly to replicate out to nine branch locations. They are connected via VPN back to head office with 1.5Mbit aDSL links. I've got ...
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Can I use dis-similar HW for Win2008r2 DFS-R

The setup: Windows 2008R2 Ent on two machines. The roles on each server will include File Servers and DC's. The machines come from two different vendors (Dell/HP) The Dell is an Athlon and the HP ...
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DFS-R + Volume Shadow Services - Run VSS at all locations or one?

I have 4 servers, one at each office location, each sharing read/write copies of 1.5TB of data. Changes are replicated 24/7 between all 4 servers via DFS-R. All servers run Windows 2008 R2. I'm ...
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Can someone correct me about Windows 2008 DFS implementation

I have 2 two Windows 2003 file servers using DoubleTake at the moment. They are in an 2003 AD domain. And each server has it's own disk set. It is time to replace the servers... I want to use Windows ...
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DFS Replication across Hyper-V servers - duplicate GUID's

4 Hyper-V instances of Win2003 Server with 2 VHD's each (All based on same Win2003 VHD that i copied 4 times, everything seems to run just fine) Trying to use DFS replication to keep some folders in ...
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DFS 2008 (Distributed File System) Console Error

I am trying to configure DFS with replication for my employer. We are primarily using Windows 2008 and 2008 R2 servers. I'm getting an error in my DFS Management Console. It is saying "ERROR ...
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310 views

DFS - Initial Replication

Im setting up three servers with DFS, it is Image servers attached to webservers, where the images is displayed. It's about 350gb of pictures on each server, but they are slightly out of sync. Now ...
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703 views

Does Windows Small Business Server 2008 include DFSR?

Does Windows Small Business Server 2008 Standard include DFSR?
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Can not access DfsrPrivate

I've set up DFS-R between three servers, and so far, it is replicating everything as its supposed to.. The problem is, I can not access the DfsrPrivate folder, where is it located? So far I see the ...
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DFS-R pre-populated target folders STILL overwrite. How to avoid that?

I have 2 servers that I'm testing with, before I do this in live environment. Server 2003 R2, fully patched. I have 20 gig of data on server1 and I want to replicate that to a folder on server2. If ...
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DFS-R or WAFS for Syncing 1TB Files between remote sites

We have 1TB of files that we wish to keep in sync between three locations. This data consists of around 1.5 Million files which grows/changes at an average of 100MB/day. The first location is a ...
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Windows Server 2008 R2 DFSR Backlog Troubleshooting - Where to look for the cause of the problem?

Windows Server 2008 R2 DFS Backlog Troubleshooting dfsrdiag indicates our target server has hundreds of thousands of backlogged transactions. Our authoritative source server indicates it has no ...
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DFS replication initial step problem

I just setup DFS on my network and it's working fine, and now I'm trying to setup DFS-R on a test folder, but then at the end of the procedure (all went fine, selected my 2 folders, primary folder, ...
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Is there a way to replicate a very large file shares in real-time?

I have an hourly cron job that copies about 40GB of data from a source folder into a new folder with the hour appended on the end. When it's done, the job prunes anything older than 24 hours. This ...
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Can't resolve offline file conflicts

We use roaming profiles on our Server 2008 R2 domain, with folder redirection for 'desktop', 'my documents' and 'application data'. But as our network is split across two sites, we have one file ...
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Is it possible to extend the Active Directory schema in a Windows 2003 DC (NOT R2) to support DFSR?

We're in the process of installing a brand new Windows Server 2008 Web cluster and we would like to synchronize some files between the servers. The problem is that the DC in the domain is an old ...
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How is Distributed File System Replication (DFSR) related to Background Intelligent Transfer Service (BITS)?

I've heard these two technologies used interchangeably to describe replicating data from one location to another. I understand what each technology is, but I'm unsure of how they relate to each other. ...
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What is the delay for DFSR before it begins sending a file or files?

I have heard rumor there could be an hour delay between when I could drop a file in the source folder and when it actually begins transmission to the destination. However, I can't find this in any ...
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DFS Replication on Lan (with multiple subnets)

target: want to replicate a folder on 2 machines situation: we have 2 windows 2003 servers (for this purpose) in a domain and each of these servers has 2 network cards; and each server have 2 ips, ...
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Migrate a DFSR Server to a new one. Currently in a Hub-Spoke Configuration

Is there an easy way to migrate the Hub to a new server. My current one is running out of space. Do I need to redesign the configuration or can I do a migration to the new server.
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Strange path in sysvol replication

On our 2008 R2 domain, I have a strange entry in the list of folder replica. \\?\C:\Windows\SYSVOL\domain dc1 Enabled SYSVOL Share C:\Windows\SYSVOL\domain dc2 Enabled ...
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Is Branch Cache worth considering as a replacement for DFS-R

We have a small stub office that currently has a single server 2003 domain controller, and a DFS-R copy of the file store held at our main office. We probably replicate about 100Gb of data, I would ...
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DFS-R NTFS Permissions Not Working?

I have two Windows 2008 Standard servers running DFSR okay. I can create a file on one server and it is replicated to the other okay, etc. I have the namespace shared folder on each server shared ...
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File Replication to Branch Offices

We're currently using DFSR in Server 2008 to replicate from our head office to 3 branch offices across VPN links. This way we have a local copy of all the companies files in each site, for quick ...
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How to enable DFSR between Windows Server 2008 servers that aren't part of a domain?

I'm configuring two server as IIS web servers on Windows Server 2008 in load balancing mode. I want to enable DFS replication for synchronizing web content files and IIS configuration data (via IIS 7 ...
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How to avoid DFS conflict problems on Windows Server 2003 R2 SP2?

I maintain two Win 2003 servers connected via a VPN with data duplicated via DFS. As it stands the customer is complaining of losing data - normally because one person in each office saves a version ...
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Rsync or DFS-R for remote backup over slow links of Windows 2003 R2 SP2?

I need to backup many sites over slow, high latency satellite links. We are talking pings of 650ms to each site. I can get a dump of the initial data by sending out USB disk to site and restoring it ...
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SYSVOL replication over DFS-R

When we migrate our production DCs to Server 2008 I would also like to move away from FSR to DFS-R for SYSVOL replication. My problem is that I setup a quick lab to test it out but it's not going as ...